单词 | speed |
释义 | speed [spi:d] noun RATE OF MOVEMENT 运动速度 ESSENTIAL countable or uncountable ■how fast something moves 速度,速率 •He was travelling at a •The car has a top •You should lower •On a clear, straight road you can gather •He came off the road while driving his car round a bend at high/breakneck •There are speed restrictions •an electric drill with two speeds (= rates at which it turns)有两段速度的电钻 ESSENTIAL uncountable ■very fast movement 飞速,快速 •I get a real thrill from speed.飞速驾车会让我兴奋不已。 •He put on a sudden burst of speed.他突然加速了。 •Both cars were travelling at ESSENTIAL uncountable ■how fast something happens (事情发生的)速度,进度 •We were surprised at the speed of •It was the speed at which it all happened that shocked me.令我感到震惊的是整个事情发生得如此之快。 •She got through her work with the speed of light/sound ■the rate at which light or sound travels 光/音速 •The speed of light is 300 million metres per second.光速是每秒钟3亿公尺。 •These planes travel at twice the speed of sound.这些飞机以两倍音速飞行。 countable ■a gear 排档,变速器 •a bicycle with ten speeds有十段速度的脚踏车 •a ten-speed bicycle十速脚踏车 countable ■the rate at which a photographic film absorbs or reacts to light (底片的)感光度 •What speed film do I need for taking photographs indoors?我在室内拍照片需要感光度多少的底片? shutter speed ■the length of time for which part of a camera is open to allow light to reach the film when a photograph is being taken 快门速度 •a high/low shutter speed高/低快门速度 [spi:d] noun DRUG 毒品 uncountable informal for ■amphetamine (= a drug that makes the mind or body more active) 苯丙胺,安非他命(一种兴奋剂) •She was on [spi:d] noun up to speed ■If you are up to speed with a subject or activity, you have all the latest information about it and are able to do it well 了解最新情况;跟上进度 •We arranged for some home tutoring to get •Before we start the meeting I'm going to bring [spi:d] verb intransitive or transitive [usually + adv/prep] (sped or speeded, sped or speeded)IMPROVER ■to (cause to) move, go or happen fast (使)快速移动;(使)快速前行;加速;促进 •The train sped along •The actress then sped away/off •We sped down •This year is speeding by/past •Ambulances sped the injured people (= moved them quickly) away from the scene.救护车载着伤患飞速驶离现场。 •The best thing you can do to speed your recovery (= make it quicker) is to rest.尽快让身体康复的最佳方法就是休息。 be speeding ■to be driving faster than you are legally allowed to do 违法超速驾驶 •He was caught [spi:d] verb intransitive or transitive [usually + adv/prep] (sped or speeded, sped or speeded)Phrasal Verbs [M] speed (sth) up ■to happen or move faster, or to make something happen or move faster (使)加速;提高(…的)速度 •This drug may have the effect of speeding up your heart rate.这种药可能会使你心跳加速。 •Can the job be speeded up in some way?这项工作有没有甚么办法能加快速度呢? •The tape speeded up towards the end.这卷磁带在接近结尾时速度突然加快了。 •I think you need to speed up a bit (= drive faster) - we're going to be late.我觉得你得开快点——我们要迟到了。 •The economy shows signs of speeding up (= increasing activity).经济呈现出加速成长的迹象。 |
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